<!DOCTYPE HTML>
<svg height="300" width="300">
    <defs>
        <filter height="100px" width="100px" y="-1" x="-1" id="filter">
            <feOffset dy="2" dx="2" in="SourceGraphic" result="offOut"></feOffset>
        </filter>
    </defs>
    <rect filter="url(#filter)" width="100" height="100" fill="green"></rect>
</svg>
